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Glossary Papakupu

Explanations of abbreviations and acronyms.

    R

    Radio altimeter
    An electronic device capable of measuring the height of an aircraft above the terrain immediately below it. The radio (or radar) altimeter is independent from the barometric altimeter system. The radio altimeter does not use air pressure. It measures the height above the surface below using a radio signal reflected from that surface. The manually set reference height with the height setting bug, activates an alert when the aircraft descends below that setting.
    Radio emergency response alerts
    Automatic radio emergency response alerts are sent to train control when brakes are placed in the emergency position or the braking system loses air.
    Raft-up
    Raft-up means to secure one vessel to another, with the vessels arranged side by side so that a person can walk between them.
    Rafted up
    The term used to describe multiple vessels tied together
    Rail access provider
    Person who controls the use of a railway line by rail operators (including that person if it is also a rail operator)
    Rail bridge
    Rail bridges are numbered throughout the rail network; they also outline the track meterage on small white sign plaques located at each end of the bridge supports.
    Rail corridor
    The land between the legal boundaries of railway land or land within 3 metres (m) of the centreline of any operational track where the land boundary is less than this distance.
    Rail Incident Co-ordinator (RIC)
    Deployed to control and monitor accidents or incidents to ensure the recovery is completed safely and details of the occurrence are recorded for reporting and investigation purposes.
    Rail movement
    The operation on rail of rail traffic
    Rail operator
    Provides or operates a rail vehicle, whether or not it engages rail personnel to do so, or to assist in doing so, on its behalf. It does not include those rail personnel.
    Rail participant
    Section 4 of the Railways Act 2005 defines a rail participant to mean any of the following: (a) an infrastructure owner (b) a rail vehicle owner (c) a railway premises owner (d) a rail access provider (e) a rail operator (f) a network controller (g) a maintenance provider (h) a railway premises manager (i) any other class of person prescribed as a rail participant by regulations.
    Rail personnel
    In relation to a rail participant, means an individual engaged by the rail participant or by an agent or contractor of the rail participant, whether as an employee, agent, contractor, or volunteer, for the purposes of carrying out, or assisting in carrying out, rail activities of the rail participant.
    Rail Protection Officer (RPO)
    The person with overall responsibility for providing rail protection for the Protected Work Area
    Rail protection officers (RPOs)
    An RPO is a person qualified to establish track protection for a protected work area.
    Rail Protection Officer (RPO)
    A qualified person with overall responsibility for protecting workers in a work area on the railway.
    Rake
    A group of vehicles, usually not formed as a train, moved as a unit during shunting and marshalling.
    Ramp
    Area of an airport where aircraft are parked loaded fueled or boarded
    Rate of turn
    A turn accomplished at 3° per second (180° per minute), and the maximum recommended rate of turn when flying with sole reference to instruments. Also known as a standard turn
    Ratings (gliding)
    Glider pilot ratings, such as an instructor or passenger rating, issued by GNZ under a delegated authority from the CAA
    RCA
    Road controlling authority
    RCC
    Rescue Coordination Centre
    RCCNZ
    Rescue Coordination Centre New Zealand
    Read across error
    An error in which a signal on an adjacent parallel track is mistaken for a signal for authority to proceed.
    Reamer bolts
    A type of fastener designed for use in high-torque systems. A reamer bolt has a smooth, cylindrical shank that fits tightly into a corresponding hole, ensuring minimal movement and high precision.
    Recency bias
    Recency bias is the tendency to weigh recent events more heavily than earlier events.
    Rectifier
    An electrical device that converts alternating current into direct current by allowing a current to flow through it in one direction only.
    Reduced overlap
    An overlap that is shorter than the minimum permitted length of a full overlap.
    Refuge cassette
    The structure attached to the platform of a wagon.
    Refuge wagon
    Rail wagon that provides a protected area from which a rail operator can direct the locomotive engineer.
    Regulator
    A machine used to shape and distribute the ballast after it has been tamped.
    Remote aerodrome
    Any structure or any area of land or water used for take-off or landing
    Response plan
    A guided document outlining the process and established procedures for people to follow in situations such as incidents or accidents.
    Restricted inshore limits
    Inshore limit encompasses ‘water closely adjacent to sheltered waters’
    Retro-reflective
    Reflects light back to its source instead of reflecting away in another direction.
    RHIB
    Rigid hull inflatable boat
    Ring-fenced certificates
    A regulatory framework that permits mariners with legacy certifications to retain their credentials, thereby avoiding the expense of transitioning to a new qualification, these certificates are not STCW aligned.
    Rip line
    This collapses the vent, allowing hot air to escape and causing a rapid deflation of the envelope. The term rip line is used in this report as it is the common ballooning term for the control that rapidly deflates the balloon on landing. The rip line was solid red in colour to differentiate it from other control lines.
    Risk control plan
    Documentation relating to Fulton Hogan’s internal processes of documenting and managing risks on a worksite, incidental to the Rail Protection Officer’s duties
    Risk-triggered commentary train driving
    Risk-triggered commentary train driving provides a methodology for drivers to improve their retention in working memory of safety-critical information and to check their intended actions against retained knowledge and long-term memory.
    RNAV
    Area navigation allowing aircraft to fly any desired path within coverage
    RNP
    Required Navigation Performance specifying accuracy and integrity requirements
    RNR Project
    Rail Network Rebuild project
    RNZN
    Royal New Zealand Navy
    RO
    Rotorua Airport
    Ro-Ro
    Roll-on roll-off ships designed to carry wheeled cargo
    Road controlling authority
    The authority, body or other person that has control of a road; and includes a person acting under, and within the terms of, any delegation or authorisation given by that authority, body or other person
    Roads
    Roadstead or anchoring ground; a sheltered body of water near the shore where a vessel can lie reasonably safely at anchor.
    Rocking test
    A rocking test checks the condition of the slew bearing of the crane, ensuring that it is not becoming worn because of insufficient greasing.
    Rolling
    Taking off
    ROO
    Regional Operations Officer (three in total – Northern, Central and Southern)
    Rotor overspeed
    Is when the rotor speed exceeds the stipulated maximum operational limit.
    RPAS
    remotely piloted aircraft system
    RPM
    Revolutions per minute
    RPO
    Rail Protection Officer
    RT
    Rotorua Airport
    RTCA
    Radio Technical Commission for Aeronautics
    Rudder
    The rudder is located on the vertical fin (tail) and cause an aeroplane to yaw left or right about its vertical axis.
    Rudder palm
    A horizontal coupling plate that connects the rudder blade to the rudder stock.
    Rudder pintle
    A metal pin attached to the rudder used as a pivot point, allowing the rudder to turn.
    Rudder stock
    A solid shaft that connects the rudder blade to the ship’s internal steering mechanism.
    Run-on landing
    A landing with significant forward motion, as opposed to a landing from a hover. After touchdown, forward motion is maintained until ground friction brings the helicopter to a halt. It is generally used when there is insufficient power to sustain a hover.
    Run-through
    A run-through is an unintended movement of a rail vehicle through a set of points in the trailing direction when the points are set against the movement being carried out.
    Rūnanga
    Te Rūnanga o Kaikōura is the tribal council for the hapu of Ngāti Kuri
    Runway
    Defined rectangular area for aircraft takeoff and landing